<template>
	<section>
		<!--工具条 高级查询-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" >
				<el-form-item>
					<el-input v-model="keyword" placeholder="请输入关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="keywordQuery" v-perm="'department:list'">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd" v-perm="'department:save'">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--分页列表-->
    <!--
      :data="departments" - 列表数据
      highlight-current-row - 当前行高亮
      v-loading="listLoading" - 加载框
      @selection-change="selsChange" - 批量操作要使用的方法
      选项改变的时候会触发
    -->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="姓名" width="120" >
			</el-table-column>
			<el-table-column prop="sn" label="部门编号" width="100"  >
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state==1">启用</span>
          <span style="color: red" v-else>禁用</span>
        </template>
			</el-table-column>
			<el-table-column prop="employee.username" label="部门管理员编号" width="120" >
			</el-table-column>
			<el-table-column prop="partment.name" label="上级部门编号" width="180" >
        <template scope="scope">
          <span style="color: green" v-if="scope.row.partment">{{scope.row.partment.name}}</span>
          <span style="color: red" v-else>无上级部门</span>
        </template>
			</el-table-column>
			<el-table-column label="操作" >
				<template scope="scope">
					<el-button size="small" @click="handleSave(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条 批量删除和分页栏-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :current-page="currentPage"
                     :page-size="pageSize" :total="totals" style="float:right;">
      </el-pagination>
		</el-col>

		<!--编辑界面 修改框-->
    <!--
      :title="title"  - 标题
      :visible.sync="saveFormVisible" - 控制对话框是否显示
      :close-on-click-modal="false" - 点击框外的区域不关闭
      :model="saveForm" - 表单数据是一个对象
      label-width="80px" - 标签的宽度
      :rules="saveFormRules" - 表单项验证
      ref="saveForm" - 给当前表单取一个名称 - 用来做表单验证
    -->
		<el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="部门名称" prop="name">
					<el-input v-model="saveForm.name" auto-complete="off"></el-input>
				</el-form-item>
        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="saveForm.sn" auto-complete="off"></el-input>
        </el-form-item>
				<el-form-item label="部门状态">
					<el-radio-group v-model="saveForm.state">
						<el-radio class="radio" :label="1">启用</el-radio>
						<el-radio class="radio" :label="0">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
        <el-form-item label="部门经理">
          <!--
                  下拉框的显示：
                    v-for="item in managers" + 2个span
                  回显机制：
                    1.先根据v-model="saveForm.manager_id"中的manager_id从managers中找到回显哪一个对象
                    2.但是对象中有很多属性，再通过:label="item.username" - 回显对象的username
                  传值机制：
                    1.当你选中某一个部门经理的时候，:value="item.id"  它会把选中对象的id
                    2.赋值给v-model="saveForm.manager_id"中的manager_id
                -->
          <el-select v-model="saveForm.manager_id" placeholder="请选择">
            <el-option
                v-for="item in managers"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="上级部门">
          <el-cascader v-model="saveForm.parent_id"
              :options="deptTree"
              :props="{
                checkStrictly: true,
                label:'name',//级联框显示的那个属性值
                value:'id'//回显时需要
              }"
              clearable></el-cascader>
        </el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
        <!--
           @click.native="saveSubmit" - 点击提交的时候调用saveSubmit方法
            :loading="saveLoading" - 提交的加载加载框
        -->
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>

	export default {
		data() {
			return {
			  //1.分页查询相关数据
        departments: [],      //分页数据
        listLoading: false,   //加载框
        totals: 0,            //总数量
        currentPage: 1,       //当前页
        pageSize: 5,          //每页显示的条数

        //2.高级查询的相关数据
        keyword:"",

        //3.删除相关数据
        //无

        //4.批量删除相关数据
        sels: [],//列表选中列

        //5.添加或者编辑
        title:"",
				saveFormVisible: false, //编辑或添加界面是否显示
				saveLoading: false,     //加载框

        //表单项中的prop属性
        saveFormRules: {
					name: [
						{ required: true, message: '请输入部门名', trigger: 'blur' }
					],
          sn: [
            { required: true, message: '请输入部门编号', trigger: 'blur' }
          ]
				},
				//编辑或添加界面数据
				saveForm: {
					id:null,
					name: '',
					sn:'',
          state:1,
          manager_id:null,
          parent_id:null
				},
        //下拉框经理
        managers: [],
        //级联框数据
        deptTree:[],
			}
		},

		methods: {
      //1.分页查询
      getDepartments() {
        //组装参数
        let para = {
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          keyword:this.keyword
        };
        //显示记载框
        this.listLoading = true;
        //NProgress.start();

        this.$http.post("/department",para).then(row=>{
          //赋值总数量 - 计算分页栏
          this.totals=row.data.totals
          this.departments=row.data.data
          //隐藏加载框
          this.listLoading=false
        }).catch(row=>{
          this.$message.error("网络繁忙，请稍后重试!!!")
        })
        // getDepartmentListPage(para).then((res) => {
        // 	this.total = res.data.total;
        // 	this.departments = res.data.departments;
        // 	this.listLoading = false;
        // 	//NProgress.done();
        // });
      },

      //2.点击分页的方法
			handleCurrentChange(val) {
				this.currentPage = val;
				this.getDepartments();
			},

      //3.高级查询的方法
      keywordQuery(){
        //防止高级查询时查询出为空的现象【当前是第5页，但是高级查询的结果没有5页】
        this.currentPage = 1;
        this.getDepartments();
      },

      //4.删除的逻辑
      handleDel: function (index, row) {
        this.$confirm('确认删除该记录吗?', '提示', {
          type: 'warning'
        }).then(() => {
          this.listLoading = true;
          this.$http.delete("/department/" + row.id).then(res => {
            this.listLoading = false;
            if(res.data.success){
              this.$message.success("操作成功")
              var totalPage=Math.ceil(this.totals/this.pageSize)
              if(this.currentPage!=1&&(this.totals-1)%this.pageSize==0&&this.currentPage==totalPage){
                this.currentPage=this.currentPage-1
              }
              this.getDepartments()
            }else {
              this.$message.error("网络异常")
            }
          }).catch(res => {
            this.$message.error("网络异常")
          })
        }).catch(() => {
        });
      },

      //5.选项改变的时候就会触发
      selsChange: function (sels) {
        //选中的对象 - 数组
        this.sels = sels;
      },

      //6.批量删除的逻辑
      batchRemove: function () {
        //获取数组中每一个对象的id，- 数组
        var ids = this.sels.map(item => item.id)
        this.$confirm('确认删除选中记录吗？', '提示', {
          type: 'warning'
        }).then(() => {
          this.listLoading = true;
          this.$http.patch("/department/",ids).then(res=>{
            this.listLoading = false;
            if(res.data.success){
              this.$message.success("操作成功")
              //批量删除每次返回到第一页
              this.currentPage=1
              this.getDepartments()
            }else {
              this.$message.error("操作失败")
            }
          }).catch(res=>{
            this.$message.error("操作失败")
          })
        }).catch(() => {
        });
      },

      //7.点击修改按钮弹出对话框
			handleSave: function (index, row) {
        //动态修改标题
        this.title = "修改";
        //回显数据
        //克隆对象防止列表中的数据也发生改变
        this.saveForm = Object.assign({}, row);//按照属性同名原则进行赋值
        //显示对话框
        this.saveFormVisible = true;
        //获取所有的部门经理
        this.getManagers();
        this.getDeptTerr();
			},


      // 8.点击添加按钮弹出对话框
			handleAdd: function () {
        this.title = "添加";
				this.saveFormVisible = true;
				this.saveForm = {
          id:null,
          name: '',
          sn:'',
          state:1,
          manager_id:null,
          parent_id:null
				};
        this.getManagers();
        this.getDeptTerr();
      },

      //9.点击提交条数据
			saveSubmit: function () {
				this.$refs.saveForm.validate((valid) => {
          //将所有ref的表单【ref="saveForm"】,validate-验证
          //valid - 只要有一个表单项验证不通过返回false，只有所有表单项验证通过，才返回true
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
              //显示提交的加载框
							this.saveLoading = true;
							//参数
							let para = Object.assign({}, this.saveForm);

							if(para.parent_id==null || para.parent_id.length==0){
                para.parent_id=null;
              }else if(para.parent_id.length){
                para.parent_id=para.parent_id[(para.parent_id.length)-1]
              }

							this.$http.put("/department",para).then(rew=>{
                //关闭提交的加载框
							  this.saveLoading = false;
							  //关闭对话框
                this.saveFormVisible=false
                if(rew.data.success){
                  this.$message.success("操作成功")
                  this.getDepartments()
                }else {
                  this.$message.error("网络异常")
                }
              }).catch(rew=>{
                  this.$message.error("网络异常")
              })
						});
					}
				});
			},

      //10.获取所有的经理
      getManagers(){
        this.$http.get("/employee").then(res=>{
          //将所有的员工赋值给managers
          this.managers = res.data;
        })
      },

      //11.获取所有部门数
      getDeptTerr(){
        this.$http.get("/department/deptTree").then(res=>{
          this.deptTree=res.data;
        })
      }

		},

		mounted() {
			this.getDepartments();
		}

	}

</script>

<style scoped>

</style>